Home / 38,170.29-57,263.74-11,877.15

Finding the Fourth Proportional to 38,170.29, 57,263.74 and 11,877.15

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Solution

The fourth proportional to 38,170.29, 57,263.74 and 11,877.15 is: 17,818.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,170.29 : 57,263.74 = 11,877.15 : x
  2. Step 2: Convert to fraction form
    38,170.29/57,263.74 = 11,877.15/x
  3. Step 3: Cross multiply
    38,170.29x = 57,263.74 × 11,877.15
  4. Step 4: Simplify right side
    38,170.29x = 680,129,999.85
  5. Step 5: Solve for x
    x = 680,129,999.85/38,170.29
  6. Step 6: Final answer
    x = 17,818.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.